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Volkswagen Passat B4 TDI

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Volkswagen Passat B4 TDI Engine Parts & Accessories

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Oil Filter

ES#3173497 - 068115561E - Oil Filter - Keep debris out of your oil and keep your engine running healthy - Hengst - Volkswagen
ECS Tuning recommends this product.

Keep debris out of your oil and keep your engine running healthy 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat! Hengst is our preferred OEM filtration supplier!
For vehicles with AHU or 1Z engine code only

Brand:
Hengst - Corporate Logo
ES#:
3173497
Mfg#:
068115561E
Ships on Sep 15, 2026
$16.99 USD
Free Shipping
on orders $49 and up

Connecting Rod Bolt - Priced Each

ES#2780680 - 028105425N - Connecting Rod Bolt - Priced Each - Use new hardware with your new parts. M8x1x45 - Genuine Volkswagen Audi - Volkswagen

Use new hardware with your new parts. M8x1x45 For vehicles with 1Z or AHU engine code only. Also fits vehicles with AAZ engine code with engine number from 521,151.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2780680
Mfg#:
028105425N
Ships in 1-2 days
11% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$17.99

This product was last offered at the strikethrough price on
08-21-2026

$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat - 87°C

ES#2084648 - 044121113 - Thermostat - 87C - Keep your car running at the proper temperature. - Meyle - Audi Volkswagen

Keep your car running at the proper temperature. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
2084648
Mfg#:
044121113
Ships on Sep 9, 2026
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pressure Switch - .25 bar

ES#2873171 - 028919081H - Oil Pressure Switch - .25 bar - Low pressure screw in oil pressure switch. M10x1 - Febi - Audi Volkswagen

Low pressure screw in oil pressure switch. M10x1 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2873171
Mfg#:
028919081H
In Stock at Vendor
$8.99

This product was last offered at the strikethrough price on
05-07-2026

$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sensor Retaining Clip - Priced Each

ES#2865558 - 025121142 - Sensor Retaining Clip - Priced Each - Secures the coolant temperature sensor in place - Febi - Audi Volkswagen

Secures the coolant temperature sensor in place 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865558
Mfg#:
025121142
Ships on Oct 20, 2026
Auto Notify
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Sealing O-Ring - Priced Each

ES#2469 - 037121687 - Sealing O-Ring - Priced Each - Install a new o-ring for a proper seal. 36x3.15 - Victor Reinz - Audi Volkswagen

Install a new o-ring for a proper seal. 36x3.15

Brand:
Victor Reinz - Corporate Logo
ES#:
2469
Mfg#:
037121687
Ships in 1-2 days
$3.99

This product was last offered at the strikethrough price on
05-07-2026

$3.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belt Tensioner Pulley

ES#3462955 - 028145278E - Belt Tensioner Pulley - For multi-ribbed belt - Mubea - Volkswagen

For multi-ribbed belt

Brand:
Mubea - Corporate Logo
ES#:
3462955
Mfg#:
028145278E
Ships in 1-2 days
$15.99

This product was last offered at the strikethrough price on
05-07-2026

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Belt Tensioner Pulley

ES#1660 - 028145278E - Belt Tensioner Pulley - For multi-ribbed belt - Meyle - Volkswagen

For multi-ribbed belt 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Meyle - Corporate Logo
ES#:
1660
Mfg#:
028145278E
Ships on Sep 9, 2026
$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

TITAN GT1 Flex 23 Engine Oil (5w-30) - 1 Liter

ES#4272286 - 5W301Literf1 - TITAN GT1 Flex 23 Engine Oil (5w-30) - 1 Liter - Premium Performance, extreme fuel-economy engine oil with optimum cold start ability and outstanding performance reserves - Fuchs - Audi Volkswagen

Premium Performance, extreme fuel-economy engine oil with optimum cold start ability and outstanding performance reserves

Brand:
Fuchs - Corporate Logo
ES#:
4272286
Mfg#:
5W301LITERF1
Ships in 3 Business Days
$13.99 USD
Free Shipping
on orders $49 and up

Radiator Fan Belt

ES#3235723 - 3A0119137B - Radiator Fan Belt - Small belt that runs from the main fan to the auxiliary fan on cars with dual fans - Gates - Volkswagen

Small belt that runs from the main fan to the auxiliary fan on cars with dual fans For vehicles with AAZ engine code only

Brand:
Gates - Corporate Logo
ES#:
3235723
Mfg#:
3A0119137B
Ships on Sep 11, 2026
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Air Conditioning High/Low Switch

ES#3214604 - 7M3959139 - Air Conditioning High/Low Switch - Detects irregular system pressure, located on the receiver/drier - URO - Audi Volkswagen

Detects irregular system pressure, located on the receiver/drier 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
3214604
Mfg#:
7M3959139
Back Ordered
$13.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Relay 167 - Priced Each

ES#2814213 - 191906383C - Relay 167 - Priced Each - Commonly used as a contact close relay for fuel pump - Hamburg Tech - Audi Volkswagen

Commonly used as a contact close relay for fuel pump We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2814213
Mfg#:
191906383C
Ships in 1 Business Day
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Double End Bolt

ES#470175 - N91127001 - Double End Bolt - Commonly found on motor mounts. M10x55/M8x16 - Genuine Volkswagen Audi - Volkswagen

Commonly found on motor mounts. M10x55/M8x16

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
470175
Mfg#:
N91127001
Ships in 1-2 days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Filter Adapter Gasket

ES#4150311 - 028115441C - Oil Filter Adapter Gasket - Seals the oil filter adapter to the engine block - Ajusa - Audi Volkswagen

Seals the oil filter adapter to the engine block

Brand:
Ajusa - Corporate Logo
ES#:
4150311
Mfg#:
028115441C
Back Ordered
$6.99 USD
Free Shipping
on orders $49 and up

Oil Temperature Sender

ES#2143347 - 049919563A - Oil Temperature Sender - Single pin connector, 0-180C - FAE - Volkswagen

Single pin connector, 0-180C

Brand:
FAE - Corporate Logo
ES#:
2143347
Mfg#:
049919563A
Ships in 1-2 days
$13.60 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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